CN110424377A - A kind of anti-freeze-thaw damage stake of intelligent temperature control - Google Patents
A kind of anti-freeze-thaw damage stake of intelligent temperature control Download PDFInfo
- Publication number
- CN110424377A CN110424377A CN201910775840.8A CN201910775840A CN110424377A CN 110424377 A CN110424377 A CN 110424377A CN 201910775840 A CN201910775840 A CN 201910775840A CN 110424377 A CN110424377 A CN 110424377A
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- Prior art keywords
- pile body
- stake
- freeze
- evaporator
- thaw damage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of anti-freeze-thaw damage stakes of intelligent temperature control, it includes pile body, refrigerating plant and temperature measuring equipment, the pile body is made of reinforcing bar and concrete, the refrigerating plant is set in pile body, the temperature measuring equipment is set to around pile body, and the thermometric contact of the temperature measuring equipment is set to the lower end of seasonal frozen ground layer.The device of the invention avoids stake because pile shaft material destroys, and frost heaving occurs for the pore water in concrete, so as to avoid the freeze-thaw damage of pile body, and the soil temperature around control stake avoids freeze thawing phenomenon, so as to avoid soil layer frozen swell and melt settlement and collapse adverse current, so that the architecture quality in engineering later period is greatly improved, make engineering more economical to a certain extent, extends the service life of building.
Description
Technical field
The present invention relates to a kind of anti-freeze-thaw damage stakes of intelligent temperature control, belong to pile foundation construction technical field.
Background technique
Pile foundation construction technology is the pith of construction engineering quality and safety guarantee.Pile foundation is one in architectural engineering
The important enterprise infrastructure of item, in building construction process, pile foundation is mainly made of cushion cap and pile body part.And in severe cold
There is the thawing of the soil layer around freeze-thaw damage phenomenon and pile body in the pile body that area is embedded in underground since temperature change is easy to appear
Lead to problems such as pile body sink to decline with the bearing capacity of pile body.At present there is such as engineering in the seasonal frozen soil region of some areas
Lower breakoff phenomenon: 1, the freeze thawing of the soil body will affect the freeze-thaw damage of stake itself;2, the soil body freeze thawing phenomenon around will lead to the soil body
Softening causes the depression of bearing force of stake;3, it is also easy to produce strong tangent coordinate system in pile foundation and frozen soil interaction process, caused
Basis generates the stability on strong lifting by frost function influence basis.Concrete antifreezing usually is improved so that additive is added in engineering
Durability is most effective means, but the incorporation of various additives can cause the reduction of concrete other performance, such as intensity, resistance to simultaneously
Abrasive capacity etc., there are also other drawbacks, once there is freeze-thaw damage phenomenon, gently can then to build in such as 1. engineering concrete structures
It builds object surface and obscission, normal use that is heavy then influencing whether building occurs.2. influenced by raw material, concrete it is main
Raw material includes cement, sand, aggregate, water etc..If the performance of concrete will be changed additive is wherein added.Meanwhile it is former
The composition ratio difference of material also will affect the performance of concrete.3. being influenced by additive, other than raw material, constructing
During in order to improve the performance of concrete additive can also be added in concrete, although and additive can be to a certain degree
The antifreeze ability of upper enhancing stake still will affect structure itself.4. the soil layer around pile body, which is affected by temperature, will appear freeze thawing phenomenon
Cause soil layer to soften, influence whether construction quality, causes pile body to sink or tilt, seriously will lead under entire engineering structure
Heavy inclination destroys.
Summary of the invention
(1) technical problems to be solved
In order to solve the above problem of the prior art, the present invention provides a kind of pile body of Intelligent temperature controller, by being added
Refrigerating plant guarantees to prevent or reduce the thawing of frozen soil around pile body in extremely frigid zones temperature change period, and then avoids stake
Excessive Settlement deformation occurs for body, improves construction quality, reduces the risk that structure is destroyed during temperature change after constructing,
Safety and the durability of superstructure are increased, it is more economical to be applicable in.
(2) technical solution
In order to achieve the above object, the main technical schemes that the present invention uses include:
A kind of anti-freeze-thaw damage stake of intelligent temperature control comprising pile body, refrigerating plant and temperature measuring equipment, the pile body is by reinforcing bar
It is made with concrete, the refrigerating plant is set in pile body, and the temperature measuring equipment is set to around pile body, the survey of the temperature measuring equipment
The temperature sensor of warm contact is set on the lesser stake of diameter or rod piece, is embedded in around pile body and is measured soil temperature, or
It is placed among stake and stake spacing.
In a preferred embodiment, the refrigerating plant includes evaporator, condenser, compressor and expansion valve,
Described compressor one end connects condenser, and compressor other end connects evaporator, evaporator and condenser and connected by capillary
It connects;The evaporator is set to inside pile body, and the compressor, condenser are placed in ground metal cabinet as refrigeration cycle
Dynamical system.
In a preferred embodiment, the evaporator is steel pipe, and shape is bent into and stirrup similar shape, length
For the length of seasonal frozen ground part.
In a preferred embodiment, the pile body includes framework of steel reinforcement and the coagulation that is filled into framework of steel reinforcement
Soil, framework of steel reinforcement include multiple longitudinal reinforcements and multiple transverse steels, and multiple longitudinal reinforcements are along one Zhou Jun of pile body inside edge
All longitudinal reinforcements are fixed on longitudinal reinforcement by even arrangement, the single transverse steel by steel wire wiring, multiple transverse direction steel
Transversely parallel reinforced steel bar is arranged muscle.
In a preferred embodiment, the steel pipe of the evaporator is twined with pile body longitudinal reinforcement by steel wire wiring
Around.
In a preferred embodiment, the evaporator is thin stainless steel tube, exports the part setting of pile body surface
Casing protects fine steel tube, and junction is prevented to be destroyed, and influences pile body refrigeration effect.
In a preferred embodiment, the dynamical system of device also can provide part in engineering for work progress
Power, present apparatus dynamical system are provided by device of solar generating, can be used as the power supply of device.
Pile body ambient temperature is monitored by temperature measuring equipment, since temperature change concentrates on individual specific periods, In
Temperature change, which carries out refrigeration to pile body during influencing the ability to bear more than stake itself, prevents freeze-thaw damage.
(3) beneficial effect
The beneficial effects of the present invention are:
Refrigerating plant is added in the present invention in pile body, can pass through pile body by the auxiliary device of refrigerating plant and outside
Freeze to surrounding, so that the temperature around pile body is reached the temperature needed in engineering, and then promote the construction of engineering.In engineering
Pile body can be made into prefabricated pile or bored concrete pile, evaporator configured in pile body and the (warp that is connected with longitudinal reinforcement in pile body
Steel wire wiring binding connection), stainless steel tube is attached (junction needs reinforcement) by pile body side wall and external device, passes through
The intracorporal refrigerating plant of stake is provided dynamic to refrigeration temperature control, the dynamical system of device is carried out around pile body by device of solar generating
Power, the device of the invention make stake avoid because pile shaft material destroy and concrete in pore water occur frost heave show
As freeze thawing phenomenon being avoided so as to avoid the soil temperature around the freeze-thaw damage of pile body, and control stake, so as to avoid soil
Layer frozen swell and melt settlement and collapse adverse current, so that the architecture quality in engineering later period is greatly improved, make engineering to a certain extent
More economically, the service life of building is extended.
A kind of pile body of Intelligent temperature controller provided by the invention, stake itself can change the phase in local temperature from freezing
Between control temperature is conducted to soil layer around by pile body can prevent the soil layer freeze-thaw damage around pile body, it is more economical to be applicable in.
Detailed description of the invention
Fig. 1 is the overall structure diagram of apparatus of the present invention;
Fig. 2 is the result schematic diagram of evaporator;
Fig. 3 is the cross-sectional view of pile body;
Fig. 4 is steel wire wiring combination diagram.
[description of symbols]
1: pile body;
11: non-frozen soil part;
12: seasonal frozen ground part;
13: permanent frozen soil part;
2: temperature measuring equipment;
3: evaporator;
4: expansion valve;
5: refrigerant;
6: framework of steel reinforcement;
7: longitudinal reinforcement;
8: transverse steel;
9: steel wire wiring.
Specific embodiment
In order to preferably explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair
It is bright to be described in detail.
Embodiment 1
A kind of anti-freeze-thaw damage stake of intelligent temperature control, as shown in Figure 1 comprising pile body 1, refrigerating plant and temperature measuring equipment 2, stake
Body 1 is inserted into from non-frozen soil part 11, seasonal frozen ground part 12 and permanent frozen soil part 13, is inserted into permanent frozen soil part 13
Pile body front end is tip.Pile body 1 is made of framework of steel reinforcement and concrete, and refrigerating plant is set in pile body, and refrigerating part is evaporation
Device 3, condenser and compressor, one end of compressor are connected to evaporator, and the compressor other end connects the another of condenser-reboiler 3
End connects condenser by capillary, and evaporator 3 is set to inside pile body, about compressor, condenser, solar power system
Equal devices, which are uniformly placed in ground metal cabinet, is used as refrigeration cycle dynamical system, and wherein solar power system is solar energy
Solar panel, is set to earth's surface metal box appearance and is connect with compressor with to provide power supply and be powered.Refrigerant liquid is in evaporator
Interior that heat exchange occurs with low temperature and cooled object, the heat and gasification, the low-pressure steam of generation for absorbing cooled object are pressed
The sucking of contracting machine, is discharged after compression with high pressure, and the high-pressure gaseous refrigerant of compressor discharge is into condenser, by the cooling water of room temperature
Or air is cooling, condenses into highly pressurised liquid.Throttling when highly pressurised liquid flows through expansion valve becomes the gas-liquid two-phase mixing of low-pressure low-temperature
Object, into evaporator, liquid refrigerant therein sweat cooling in evaporator, the low-pressure steam of generation is inhaled by compressor again
Enter, so in cycles, constantly recycles.Evaporator 3 be steel pipe, shape be bent into stirrup similar shape, length be season freeze
The length of native part 12.
Temperature measuring equipment 2 is set near pile body 1, and the thermometric contact of temperature measuring equipment 2 is set to the lower end of seasonal frozen ground part 12,
It is specifically embedded in around pile body (position 300mm) measurement soil temperature, or is placed among stake and stake spacing.Temperature measuring equipment is by temperature
Degree sensor, rod piece, temperature indicator, power are made of the offer of pile body solar energy temperature-controlling system.Set-up mode is that will paste temperature
The rod piece of degree sensor is pressed directly into stratum and measures, and temperature indicator connects temperature sensor, temperature indicator and the sun
Active Force system is placed in earth's surface.As shown in Fig. 2, evaporator 3 is steel pipe, shape bending and stirrup similar shape, length is season
Save the length of frozen soil part.The pipe bending shape of evaporator 3 is diamond shape, is passed through refrigerant 5 from bottom to top.Pile body 1 it is transversal
For face figure as shown in figure 3, pile body 1 includes framework of steel reinforcement 6 and the concrete being filled into framework of steel reinforcement 6, framework of steel reinforcement includes multiple
Longitudinal reinforcement 7 and multiple transverse steels 8 (stirrup), multiple longitudinal reinforcements 7 are evenly arranged for one week along pile body inside edge, individually
All longitudinal reinforcements 7 are fixed on longitudinal reinforcement 7 by steel wire wiring 9 by transverse steel 8, multiple transverse steels 8 steel along longitudinal direction
Muscle 7 is arranged in parallel.The steel pipe and 1 longitudinal reinforcement 7 of pile body of evaporator 2 are wound by steel wire wiring 9, as shown in Figure 4.
The part of the thin stainless steel tube output pile body surface of evaporator should be reinforced, and thin stainless steel tube is by pile body top
Side wall output, in side wall output position, settable casing protects fine steel tube, prevents bending damage, influences pile body refrigeration effect
Fruit.
The thin stainless steel tube of evaporator, it should be noted that applying up-protective layer prevents from corroding, while thin stainless steel pipe surface can be made
It is made screwed structure or is fabricated to coarse surface, being increased by this structure prevents pine with the cohesive force of concrete
It is dynamic, and can fixation preferably be contacted with steel wire wiring.
The size of pile body itself should comply with specification for structure, while reserve evaporator the space occupied, according to practical work
Journey situation, building code requirements determine the intracorporal ratio of reinforcement of stake.The present apparatus needs to predict the position of frozen soil layering, freezes in seasonality
Refrigerating plant is set in native range, other positions can not have to be configured, can guarantee to carry out work control in accurate position
Temperature processed, and can be avoided energy waste again.
The present apparatus needs to predict the position of frozen soil layering, refrigerating plant is arranged within the scope of frost zone, other positions
It can not have to be configured, can guarantee to carry out job control temperature in accurate position, and can be avoided energy waste again.
The above described is only a preferred embodiment of the present invention, being not the limitation for doing other forms to the present invention, appoint
What those skilled in the art can use the equivalence enforcement that technology contents disclosed above were changed or be modified as equivalent variations
Example.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above embodiments
What simple modification, equivalent variations and remodeling, still falls within the protection scope of technical solution of the present invention.
Claims (6)
1. a kind of anti-freeze-thaw damage stake of intelligent temperature control, which is characterized in that it includes pile body, refrigerating plant and temperature measuring equipment, described
Pile body is made of reinforcing bar and concrete, and the refrigerating plant is set in pile body, and the temperature measuring equipment is set to around pile body, the survey
The temperature sensor of the thermometric contact of warm device is set on the lesser stake of diameter or rod piece, is embedded in around pile body and is measured soil layer
Temperature, or be placed among stake and stake spacing.
2. the anti-freeze-thaw damage stake of intelligent temperature control as described in claim 1, which is characterized in that the refrigerating plant includes evaporation
Device, condenser, compressor and expansion valve, described compressor one end connect evaporator, and the other end connects condenser;Evaporator with it is cold
Condenser is connected by capillary;The other end of the evaporator connects expansion valve by pipeline, and the evaporator is set to pile body
Inside, the compressor, condenser, which are placed in ground metal cabinet, is used as refrigeration cycle dynamical system.
3. the anti-freeze-thaw damage stake of intelligent temperature control as described in claim 1, which is characterized in that the evaporator is steel pipe, shape
Sigmoid be with stirrup similar shape, length be seasonal frozen ground part length.
4. the anti-freeze-thaw damage stake of intelligent temperature control as described in claim 1, which is characterized in that the pile body include framework of steel reinforcement and
The concrete being filled into framework of steel reinforcement, framework of steel reinforcement include multiple longitudinal reinforcements and multiple transverse steels, multiple longitudinal reinforcements
It is evenly arranged within one week along pile body inside edge, all longitudinal reinforcements are fixed on by the single transverse steel by steel wire wiring
On longitudinal reinforcement, transversely parallel reinforced steel bar is arranged multiple transverse steels.
5. the anti-freeze-thaw damage stake of intelligent temperature control as claimed in claim 4, which is characterized in that the steel pipe and pile body of the evaporator
Longitudinal reinforcement is wound by steel wire wiring.
6. the anti-freeze-thaw damage stake of intelligent temperature control as described in claim 1, which is characterized in that the evaporator is thin stainless steel
Pipe exports the part setting casing of pile body surface.
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CN201910775840.8A CN110424377A (en) | 2019-08-21 | 2019-08-21 | A kind of anti-freeze-thaw damage stake of intelligent temperature control |
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CN201910775840.8A CN110424377A (en) | 2019-08-21 | 2019-08-21 | A kind of anti-freeze-thaw damage stake of intelligent temperature control |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520580A (en) * | 2020-04-30 | 2020-08-11 | 杭州市土地勘测设计规划院有限公司 | Land surveying instrument for special terrain |
CN111894028A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Tower foundation structure in permafrost region, tower structure and construction method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202720205U (en) * | 2012-07-26 | 2013-02-06 | 陈庆利 | Novel concrete quick freezing and thawing test device |
CN105908696A (en) * | 2016-06-03 | 2016-08-31 | 长春工程学院 | Foundation pit frozen soil retaining wall device and freezing method thereof |
CN107794912A (en) * | 2017-09-26 | 2018-03-13 | 重庆交通大学 | A kind of precast reinforced concrete piles suitable for Permafrost Area and preparation method thereof |
CN108867714A (en) * | 2018-07-20 | 2018-11-23 | 东北大学 | The pile foundation of a kind of anti-lifting by frost and thaw collapse is from refrigerating plant and its application method |
-
2019
- 2019-08-21 CN CN201910775840.8A patent/CN110424377A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202720205U (en) * | 2012-07-26 | 2013-02-06 | 陈庆利 | Novel concrete quick freezing and thawing test device |
CN105908696A (en) * | 2016-06-03 | 2016-08-31 | 长春工程学院 | Foundation pit frozen soil retaining wall device and freezing method thereof |
CN107794912A (en) * | 2017-09-26 | 2018-03-13 | 重庆交通大学 | A kind of precast reinforced concrete piles suitable for Permafrost Area and preparation method thereof |
CN108867714A (en) * | 2018-07-20 | 2018-11-23 | 东北大学 | The pile foundation of a kind of anti-lifting by frost and thaw collapse is from refrigerating plant and its application method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111520580A (en) * | 2020-04-30 | 2020-08-11 | 杭州市土地勘测设计规划院有限公司 | Land surveying instrument for special terrain |
CN111894028A (en) * | 2020-06-29 | 2020-11-06 | 中铁第一勘察设计院集团有限公司 | Tower foundation structure in permafrost region, tower structure and construction method |
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Application publication date: 20191108 |
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